if you want to spend a little money, you can buy a real sidereal clock from this fella in the UK http://www.awrtech.co.uk/sc110mk3.htm he will ship to the US....
72280
melmseattle
Jan 31, 2013 7:23 pm
Just wanting to back up what Olivier has said. The Hyperion scope has been terrific. Major plusses are the integrated rotator and focuser, which have meshed...
72281
ramastronomy
Jan 31, 2013 7:23 pm
Cool clock. Thanks Lee!...
72282
Bernard Miller
bgmiller_01
Feb 1, 2013 1:40 am
Hi, Below is a link to NGC2903. This is a barred spiral galaxy about 30 million light years away in the constellation Leo. This is a redo of this object. I did...
72283
tpiccian
Feb 1, 2013 4:28 pm
I finally got a chance to give a thorough test of my lightbox. I put the info on a separate facebook page. I tested the unit out and the illumination appears...
72284
barry.schellenberg
barry.schell...
Feb 1, 2013 10:49 pm
Here is my image of the PacMan nebula taken during my recent trip to New Mexico. I have revised my HaRGB combine technique in order to maintain more accurate...
72285
Bernard Miller
bgmiller_01
Feb 1, 2013 11:49 pm
Very nicely done Barry. Bernard From: ccd-newastro@yahoogroups.com [mailto:ccd-newastro@yahoogroups.com] On Behalf Of barry.schellenberg Sent: Friday, February...
72286
Stan
stan_ccd
Feb 2, 2013 4:40 pm
Hi Barry, NM is a great place! My only complaint is that the "high res" display images are too small and undersampled. Stan...
72287
Randy
rzugnoni
Feb 2, 2013 4:56 pm
Hi Tom, I have been wanting to make my own lightbox. Would you be willing to share some of the details of yours. Thanks, Randy...
72288
barry.schellenberg
barry.schell...
Feb 2, 2013 11:59 pm
Thank you to both Stan and Bernard for your feedback. Stan - could you explain your comment a little more to me? Are you speaking to the image scale or just...
72289
tpiccian
Feb 3, 2013 6:17 am
Sure. Here are teh components. 1 - Sheet of Parallel format luminous film from www.luminousfilm.com. Sizes vary from simple 3x4 card size to 15 x 23. the film...
72290
Randy
rzugnoni
Feb 3, 2013 4:22 pm
Thanks Tom. I very much appreciate the information. RIght now I'm busy making an off axis guider. I will start the light box immediately after that. Thanks...
72291
Stan
stan_ccd
Feb 3, 2013 5:01 pm
... Right. The display image was too small. The new one is well sampled ... I am not fond of "black" backgrounds, mostly because they hide the faint fuzzies...
72292
David Gimenez
ea3fyz07
Feb 3, 2013 8:37 pm
Very nice composition, details and colors Bernard! I was looking at the full rez image and wonder where these black pixels under some bright stars are coming...
72293
epulinx
Feb 4, 2013 3:13 pm
Hi group! Did my best to process this galaxy in Camelopardalis.. However,I couldn't obtain in the core of the galaxy the same definition as the picture made by...
72294
Mark Striebeck
mstriebeck1967
Feb 5, 2013 5:10 am
Hi, Last night, I observed something really strange: when I use binning with my lodestar guider, the stars will elongated. You can see this here: 1x1 (no)...
72295
Ken Harrison
ken4optics
Feb 5, 2013 6:32 am
Mark, Haven't tried it myself, but it could be due to the rectangular pixel size (8.2 x 8.4micron) in the lodestar? ... -- "Astronomical Spectroscopy - The...
72296
Stan
stan_ccd
Feb 5, 2013 4:29 pm
... CCDs can be binned asymmetrically; e.g. 1x4 (asymmetric binning is used for spectroscopy). It looks like that's happening here. Check the camera control...
72297
Stan
stan_ccd
Feb 5, 2013 5:08 pm
... P.S. Asymmetric binning results in a different image aspect ratio. If your image has been compressed in length but not height then it is asymmetric...
72298
Stan
stan_ccd
Feb 6, 2013 4:28 pm
P.P.S. the 2x2 example looks OK but the 3x and 4x are elongated in Y. CCDs typically can only bin so far and may have different X/Y limits. It may be that CCD...
72299
Bernard Miller
bgmiller_01
Feb 7, 2013 12:23 am
Hi, The link below is to NGC1977, also known as the Running Man Nebula. I have been gathering this data since last November and finally got around to ...
72300
focusknobs
Feb 7, 2013 12:35 am
To be honest, I like the complex below the Running Man better. <g> You've brought out a lot of very nice, sharp detail down there. There is one curiosity: did...
72301
Tom O'Donoghue
tomodonoghue
Feb 7, 2013 1:04 am
Its beautiful, lovely chocolate whips of cloud. Lots of detail. Tight stars, but some ringing on the Orange Red ones. Tom ________________________________ ...
72302
Bernard Miller
bgmiller_01
Feb 7, 2013 4:02 am
Lou and Tom, Thanks for the feedback on the stars. I cleaned them up and think they are better now. Let me know what you think. Thanks, Bernard From:...
72303
De Lorme Broussard
delorme_brou...
Feb 7, 2013 4:36 am
Bernard that's a GREAT picture! De Lorme From: Bernard Miller <bgmiller011@...> ... [Non-text portions of this message have been removed]...
72304
Mark Striebeck
mstriebeck1967
Feb 7, 2013 5:20 am
Thanks for all the replies. I checked the lodestar manual. It doesn't mention what the max. binning is. But it only talks about 2x2 binning. I guess I can...
72305
focusknobs
Feb 7, 2013 6:36 am
Oh, yeah - MUCH better. That's a keeper. Lou ... From: ccd-newastro@yahoogroups.com [mailto:ccd-newastro@yahoogroups.com] On Behalf Of Bernard Miller Sent:...
72306
Terry Platt
tcplatt
Feb 7, 2013 7:56 am
Hi Mark, The hardware can do up to 8x8, but it’s the software that sets the limit. Regards, Terry From: Mark Striebeck Sent: Thursday, February 07, 2013 5:05...
72307
Stan
stan_ccd
Feb 7, 2013 4:12 pm
... I agree! A new benchmark for that object. Stan...
72308
Tom O'Donoghue
tomodonoghue
Feb 7, 2013 4:24 pm
I clicked back on the original link, and I think it looks better. Did you have the layers saved in PS or some other Astro program? T. ...